Answer:
x = 7°
Step-by-step explanation:
The sum of all octogon's angles equals 1080°
Let's solve your equation step-by-step.
8(16x + 23) = 1080
Step 1: Simplify both sides of the equation.
8(16x + 23)=1080
(8)(16x) + (8)(23) = 1080(Distribute)
128x + 184 = 1080
Step 2: Subtract 184 from both sides.
128x + 184 − 184 = 1080 − 184
128x = 896
Step 3: Divide both sides by 128.
128x/128 = 896/128
x = 7°
